| The modern design of this preamplifier yields audiophile specs, convenient operation and an attractive price. This is made possible by using...
| The modern design of this preamplifier yields audiophile specs, convenient operation and an attractive price. This is made possible by using...
| This preamplifier and equaliser is based around field effect transistors and is an updated version of the SRPP valve preamp we published in...
| In the first part of this article, we described all of the circuit boards. Now it’s time to look at how they fit together. We first describe...
| This stereo preamplifier is primarily intended to be used as a companion to the Valve Final Amplifier described in the April and May 2003 is...
| This valve power amplifier is a push-pull design using two EL34s (or their 6CA7 US equivalents). It has been kept fairly simple to avoid pro...
| Although this supply was primarily designed for use with the Valved RIAA Preamplifier, we found that the inverter stage is useful in many ot...